//string 数据类型
let isString:string="12345"
let isString1:string

//number类型
let isNumber:number=123456
let isNumber1:number



let xx:[string,number]
xx=["刘春雷",28]
console.log(xx);
//布尔值
let isDone: boolean = false
let isDone1:boolean
//数组
let list: number[] = [1, 2, 3]
let list1:number

//数字
let decLiteral: number = 16
let decLiteral1:number

//字符串
let names: string = "bob";
let names1:string